Home / 212,390.12-318,592.08-62,617.85

Finding the Fourth Proportional to 212,390.12, 318,592.08 and 62,617.85

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Solution

The fourth proportional to 212,390.12, 318,592.08 and 62,617.85 is: 93,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,390.12 : 318,592.08 = 62,617.85 : x
  2. Step 2: Convert to fraction form
    212,390.12/318,592.08 = 62,617.85/x
  3. Step 3: Cross multiply
    212,390.12x = 318,592.08 × 62,617.85
  4. Step 4: Simplify right side
    212,390.12x = 19,949,551,076.63
  5. Step 5: Solve for x
    x = 19,949,551,076.63/212,390.12
  6. Step 6: Final answer
    x = 93,928.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.